./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01d249d-553a-4cc0-b3bb-c0ff09d5e685/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01d249d-553a-4cc0-b3bb-c0ff09d5e685/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01d249d-553a-4cc0-b3bb-c0ff09d5e685/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01d249d-553a-4cc0-b3bb-c0ff09d5e685/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01d249d-553a-4cc0-b3bb-c0ff09d5e685/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01d249d-553a-4cc0-b3bb-c0ff09d5e685/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42d34b3801344b79b388ecea52b2e670196aa6b758fe24ea6ecf5c2b8bbf579b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:52:09,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:52:09,776 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01d249d-553a-4cc0-b3bb-c0ff09d5e685/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:52:09,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:52:09,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:52:09,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:52:09,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:52:09,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:52:09,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:52:09,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:52:09,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:52:09,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:52:09,822 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:52:09,823 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:52:09,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:52:09,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:52:09,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:52:09,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:52:09,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:52:09,827 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:52:09,828 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:52:09,829 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:52:09,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:52:09,830 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:52:09,830 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:52:09,831 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:52:09,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:52:09,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:09,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:52:09,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:52:09,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:52:09,835 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:52:09,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:52:09,835 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:52:09,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01d249d-553a-4cc0-b3bb-c0ff09d5e685/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01d249d-553a-4cc0-b3bb-c0ff09d5e685/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42d34b3801344b79b388ecea52b2e670196aa6b758fe24ea6ecf5c2b8bbf579b [2023-11-11 23:52:10,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:52:10,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:52:10,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:52:10,201 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:52:10,202 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:52:10,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01d249d-553a-4cc0-b3bb-c0ff09d5e685/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i [2023-11-11 23:52:13,290 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:52:13,633 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:52:13,634 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01d249d-553a-4cc0-b3bb-c0ff09d5e685/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test8-2.i [2023-11-11 23:52:13,655 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01d249d-553a-4cc0-b3bb-c0ff09d5e685/bin/ukojak-verify-0OAaufAVZV/data/b7bbe68b3/c2de36fe96f14e9b9fc5b2d38bcb51b6/FLAG10064ddf3 [2023-11-11 23:52:13,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01d249d-553a-4cc0-b3bb-c0ff09d5e685/bin/ukojak-verify-0OAaufAVZV/data/b7bbe68b3/c2de36fe96f14e9b9fc5b2d38bcb51b6 [2023-11-11 23:52:13,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:52:13,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:52:13,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:13,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:52:13,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:52:13,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:13" (1/1) ... [2023-11-11 23:52:13,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a43cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:13, skipping insertion in model container [2023-11-11 23:52:13,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:13" (1/1) ... [2023-11-11 23:52:13,757 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:52:14,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:14,421 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:52:14,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:14,626 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:14,634 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:52:14,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14 WrapperNode [2023-11-11 23:52:14,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:14,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:14,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:52:14,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:52:14,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:14,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:14,833 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1500 [2023-11-11 23:52:14,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:14,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:52:14,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:52:14,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:52:14,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:14,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:14,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:14,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:14,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:14,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:14,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:14,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:15,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:52:15,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:52:15,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:52:15,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:52:15,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:14" (1/1) ... [2023-11-11 23:52:15,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:15,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01d249d-553a-4cc0-b3bb-c0ff09d5e685/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:52:15,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01d249d-553a-4cc0-b3bb-c0ff09d5e685/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:52:15,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01d249d-553a-4cc0-b3bb-c0ff09d5e685/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:52:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:52:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:52:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:52:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:52:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:52:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:52:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-11 23:52:15,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-11 23:52:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-11-11 23:52:15,183 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-11-11 23:52:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:52:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:52:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:52:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:52:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-11 23:52:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:52:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:52:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:52:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:52:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:52:15,476 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:52:15,478 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:52:17,345 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:52:19,195 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:52:19,195 INFO L302 CfgBuilder]: Removed 71 assume(true) statements. [2023-11-11 23:52:19,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:19 BoogieIcfgContainer [2023-11-11 23:52:19,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:52:19,201 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:52:19,201 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:52:19,212 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:52:19,212 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:19" (1/1) ... [2023-11-11 23:52:19,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:52:19,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:19,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 187 states and 310 transitions. [2023-11-11 23:52:19,307 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 310 transitions. [2023-11-11 23:52:19,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:52:19,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:19,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:19,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:52:19,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:19,641 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-11 23:52:19,652 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-11 23:52:19,715 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:52:19,718 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-11 23:52:19,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:52:19,731 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-11 23:52:19,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:19,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:19,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 190 states and 315 transitions. [2023-11-11 23:52:19,833 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 315 transitions. [2023-11-11 23:52:19,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:52:19,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:19,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:19,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:52:19,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:19,958 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-11 23:52:19,963 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-11 23:52:19,997 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:52:19,998 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-11 23:52:20,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-11 23:52:20,005 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-11 23:52:20,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:20,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:20,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 191 states and 316 transitions. [2023-11-11 23:52:20,033 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 316 transitions. [2023-11-11 23:52:20,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:52:20,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:20,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:20,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:52:20,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:20,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:20,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:20,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 191 states and 314 transitions. [2023-11-11 23:52:20,144 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 314 transitions. [2023-11-11 23:52:20,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:52:20,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:20,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:20,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:20,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:20,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 191 states and 308 transitions. [2023-11-11 23:52:20,504 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 308 transitions. [2023-11-11 23:52:20,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:52:20,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:20,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:20,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:52:20,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:20,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:20,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:20,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 191 states and 304 transitions. [2023-11-11 23:52:20,652 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 304 transitions. [2023-11-11 23:52:20,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:52:20,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:20,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:20,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:52:20,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:20,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:20,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:20,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 191 states and 298 transitions. [2023-11-11 23:52:20,869 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 298 transitions. [2023-11-11 23:52:20,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:52:20,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:20,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:21,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:52:21,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:21,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:31,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:52:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 191 states and 292 transitions. [2023-11-11 23:52:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 292 transitions. [2023-11-11 23:52:31,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:52:31,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:31,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:31,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:52:31,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:31,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:42,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:52:52,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:53:02,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:53:12,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-11 23:53:12,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:12,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 224 states and 335 transitions. [2023-11-11 23:53:12,568 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 335 transitions. [2023-11-11 23:53:12,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:53:12,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:12,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:12,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:53:12,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:12,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:12,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:12,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 224 states and 333 transitions. [2023-11-11 23:53:12,820 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 333 transitions. [2023-11-11 23:53:12,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:53:12,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:12,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:13,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:53:13,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:13,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.